EP 0880187 B1 20041124 - Non-aqueous electrolyte secondary battery
Title (en)
Non-aqueous electrolyte secondary battery
Title (de)
Sekundärbatterie mit nichtwässrigem Elektrolyten
Title (fr)
Batterie secondaire à électrolyte non-aqueux
Publication
Application
Priority
JP 13229897 A 19970522
Abstract (en)
[origin: EP0880187A2] Disclosed is a negative electrode active material offering a long life non-aqueous electrolyte secondary battery with high energy density that shows excellent cycle life characteristics. The negative electrode active material comprises a compound represented by the formula Li kappa Z epsilon X gamma wherein Z represents at least two elements selected from the group consisting of metals and semi-metals at least one of which is selected from group D consisting of Na, K, Rb, Cs, Mg, Ca, Sr, Ba, Sc, Y, La, Ce, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Ag, Zn, Cd and Pd, and X represents at least one element selected from the group consisting of O, S, Se and Te and wherein 0< kappa + gamma + epsilon ≤25, 0≤ kappa <10, 0< epsilon <10 and 0< gamma ≤8. <IMAGE>
IPC 1-7
IPC 8 full level
H01M 4/48 (2010.01); H01M 4/485 (2010.01); H01M 4/50 (2010.01); H01M 4/505 (2010.01); H01M 4/58 (2010.01); H01M 4/02 (2006.01); H01M 4/52 (2010.01); H01M 4/525 (2010.01); H01M 10/052 (2010.01); H01M 10/36 (2010.01)
CPC (source: EP)
H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/581 (2013.01); H01M 4/5815 (2013.01); H01M 4/525 (2013.01); H01M 10/052 (2013.01); H01M 2004/027 (2013.01); Y02E 60/10 (2013.01)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0880187 A2 19981125; EP 0880187 A3 20000524; EP 0880187 B1 20041124; CN 1121728 C 20030917; CN 1200581 A 19981202; DE 69827700 D1 20041230; DE 69827700 T2 20051006
DOCDB simple family (application)
EP 98109095 A 19980519; CN 98109226 A 19980522; DE 69827700 T 19980519